Boasting a quick detach lever, this mount is easily installed to the rail of any of your compatible firearms to fit most firearm collections. Featuring 6061 T6 aluminum construction and a hard anodized corrosion-resistant finish, this mount is rough and ready for virtually any fast-action tactical or target-rich environment. Even better, the included spacer allows you to experience a lower 1/3 co-witness mount height with your Holosun 503 and 403 series optics and firearm’s iron sights for the ultimate sight picture and deadly accuracy. Includes 4 installation screws and an Allen wrench. Order today!